VideoMonitor

VideoMonitor is an easy-to-use webcam application that can capture images from any video devices including Webcams and USB cameras, save the video in WMV format to your disk, and take snapshots automatically based on a user-defined time.
Some of VideoMonitor's features include:
VideoMonitor is completely free.
Capture video directly to your hard drive.
Record from your webcam or video input device.
Monitor multiple webcams simultaneously.
It can display up to 9 cameras every group at the same time and support up to 4 groups, that is 36 cameras.
Record video content to a WMV format file, that can easily be played back by Windows Media Player.
Take snapshots automatically in every specified time and save them to BMP files.